

MODEL_IS_REQUIRED = 'model field is required.'

MODEL_FORMAT_INCORRECT = 'model field format incorrect. corrected format: app.model_name'

APP_NAME_INCORRECT = 'app for {} is not exists. all_apps: [{}]'

MODEL_NAME_INCORRECT = 'model for {} is not exists. all_models: [{}]'

GROUP_BY_IS_REQUIRED = 'group_by field is required.'



